| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 48.9 | 53.1 | 57.2 | 62.2 | 69.9 | 77.2 | 87.3 | 88.0 | 81.9 | 69.6 | 52.8 | 46.9 | 66.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 39.4 | 41.8 | 44.8 | 48.6 | 55.0 | 61.1 | 68.4 | 68.1 | 62.4 | 53.4 | 43.0 | 38.3 | 52.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 30.0 | 30.4 | 32.4 | 35.0 | 40.0 | 45.0 | 49.4 | 48.3 | 42.9 | 37.2 | 33.1 | 29.6 | 37.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 5.86 | 4.56 | 4.30 | 3.32 | 2.78 | 1.30 | 0.63 | 0.65 | 1.16 | 2.96 | 6.75 | 7.65 | 41.92 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 792. | 651. | 626. | 492. | 322. | 154. | 35. | 32. | 127. | 364. | 661. | 829. | 5086. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 10. | 37. | 139. | 130. | 48. | 4. | 0. | 0. | 369. |